2.3 Mya: Earliest likely control of fire and cooking, by Homo habilis.The otherwise earliest known stone tools ( Oldowan) were found in Ethiopia developed perhaps by Australopithecus garhi or Homo habilis 3.3-2.6 Mya: Stone tools – found in present-day Kenya, they are so old that only a pre-human species could have invented them.This time period is characterized as an ice age with regular periodic warmer periods – interglacial episodes. The original divergence between humans and chimpanzees occurred 13 ( Mya), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being Australopithecus anamensis. The Lower Paleolithic period lasted over 3 million years, and corresponds to the human species prior to the emergence of Homo sapiens. The locations listed are for the site where the earliest solid evidence has been found, but especially for the earlier inventions, there is little certainty how close that may be to where the invention took place. Older examples of any given technology are often found. Dates are often approximate and change as more research is done, reported and seen. The dates listed in this section refer to the earliest evidence of an invention found and dated by archaeologists (or in a few cases, suggested by indirect evidence). Further information: Outline of prehistoric technology
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